Which of the following is an equation of a line that does NOT contain any points

游客2024-01-12  15

问题 Which of the following is an equation of a line that does NOT contain any points in the xy-plane whose both coordinates are integers?

选项 A、y=4
B、y=x/2
C、y=x+3
D、y=x+1/2
E、y=x/2+3

答案 D

解析 本题可使用举反例法解答。A选项:(0,4),B选项:(0,0),C选项:(0,3),E选项:(0,3),故答案为D。
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